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Seattle in August
Seattle, United States

Seattle in August

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Seattle in August

Seattle, United States

Visiting Seattle in August means experiencing the summer. During summer, Seattle offers warm weather, long days, and outdoor activities.

SeasonSummer
Travel StyleUrban Discovery
Cost$$$

Weather in Seattle in August

Average highs around 25C and lows near 15.2C. 30.6mm average precipitation and about 6 rainy days. August typically sits between July and September conditions, so it is useful for travelers wanting a balanced window in Seattle. Pack flexible layers for changing daytime and evening temperatures.

Avg High25C
Avg Low15.2C
Rainy Days6
Precipitation30.6mm
Daylight14.2h/day
Sunshine11.2h/day
Wind17.6 km/h
UVmoderate
Humiditydry

Temperature

August brings summer conditions in Seattle, United States. The average temperature is about 20.1C, with lows near 15.2C and highs around 25C.

Sunshine Hours

Seattle, United States usually gets around 11.2 hours of sunshine per day in August, with roughly 14.2 daylight hours available for sightseeing.

Rain

August sees around 30.6mm of rainfall over about 6 days. Rain can occur for around 1.9 hours per day on average.

Humidity

Humidity in August is generally dry for Seattle, United States, especially when rainfall periods increase.

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Additional Information

Average winds are around 17.6 km/h, so pack layers that handle changing conditions. Pack flexible layers for changing daytime and evening temperatures.

Our August Hotel Picks for Seattle

Green Tortoise Hostel

Green Tortoise Hostel

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The Woodmark Hotel and Still Spa on Lake Washington

The Woodmark Hotel and Still Spa on Lake Washington

Traditional quarters in an upscale waterfront hotel with a spa, plus loaner bikes & kayaks.

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Hyatt at Olive 8

Hyatt at Olive 8

Polished high-rise lodging with an indoor pool, plus a seafood restaurant, a bar & a spa.

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What to Do in Seattle in August

Carkeek Park

Carkeek Park

220 acres of forests, meadows, wetlands, creeks & beaches, with Puget Sound & mountain views.

Explore activity
Washington Park Arboretum

Washington Park Arboretum

On the shores of Lake Washington, this 230-acre preserve features rare trees & a Japanese garden.

Explore activity
Discovery Park

Discovery Park

Seattles largest green space features miles of rugged trails & beaches, plus views of the Sound.

Explore activity

Travel tips for Seattle in August

Pack flexible layers for changing daytime and evening temperatures. Book accommodation earlier when events overlap with peak weekends, and keep an eye on changing weather windows for day trips.

FAQ: Seattle in August

Is August a good month to visit Seattle?
August sits in the summer period, so trip quality depends on your preferred weather, crowd levels, and pace.
What should I pack for Seattle in August?
Average highs around 25C and lows near 15.2C. Pack flexible layers for changing daytime and evening temperatures.
What weather should I expect in Seattle during August?
August typically averages around 20.1C, with about 30.6mm of rain across 6 days.

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